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Catalytic Filtration for Water Systems

DMI65 is a granular filtration media that purifies water sources by oxidising and removing iron and manganese.

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94/251 Adelaide Terrace,
Perth,
WA 6000,
Australia
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Quantum Filtration

Quantum Filtration Medium manufactures an advanced oxidation catalytic filtration media called DMI65®, specifically tailored to oxidise and remove iron and manganese in solutions. DMI65® also removes arsenic, aluminium and other heavy metals. Additionally, DMI65® successfully treats turbidity, as well as hydrogen sulfide, under certain conditions.

The catalytic surface of DMI65® contains manganese oxide that facilitates covalent bonding of manganese and oxygen atoms from water. Its extremely powerful catalytic properties allow soluble iron and manganese removal. without the need for periodic media regeneration (e.g. with potassium permanganate). DMI65® is revolutionary due to proprietary infusion technology that penetrates the microporous substrate of the matrix material, allowing for a greater catalytic surface area and a tighter particle size distribution.

Advanced filtration solutions for mining applications

The unique microporous structure of DMI65® removes dissolved iron and manganese to levels as low as 0.001 ppm or even to non-detectable levels. DMI65® has low levels of fines, good tolerance to a wide pH operating range, and a catalytic surface that isn’t consumed or diminished when operated in accordance with vendor guidelines. DMI65® protects and pre-treats other water treatment systems from iron and manganese biofouling, allowing longer filter run times with the benefit of reduced oxidant demand. DMI65® has an operating life of more than 15 years, depending on raw water quality.

The processes that take place in a filtration media bed of DMI65® involve reduction/oxidation (redox). Redox reactions involve a transfer of electrons between species. Reduction is the gain of electrons or a decrease in the oxidation state of a molecule, atom, or ion. Oxidation is the loss of electrons or an increase in the oxidation state of a molecule, atom, or ion. Redox reactions occur simultaneously and there cannot be a reduction reaction without an oxidation reaction. The media helps chemical reactions to occur by interacting with the reaction, without being permanently altered.

Quantum Filtration’s DMI-65 uses infusion technology to create a catalytic water filtration system suitable for various industries.
The DMI-65 solution is suitable for multiple water treatment applications.
The system is ideal for the mining sector, where filtered water can be utilised by miners and for site equipment.
Implementing filtered water minimises staining and downtime, while optimising system performance.

Applications and advantages of DMI65

DMI65®  has been used prominently for many years in water and wastewater treatment facilities across the world, including the Big River Steel plant in Arkansas, USA; Chillagoe Arsenic Filtration Plant in Australia; Pfizer Global Supply API/DP in Michigan, USA; George Municipal Water Works in South Africa; Kuala Langat Power Plant in Malaysia; Fortescue Metals Group’s Cloud Break iron ore mine in Western Australia; Southport Power Plant in North Carolina, USA, and the Southern Peru Copper Corporation’s Toquepala copper mine in Peru.

Removal of iron and manganese

The presence of iron and manganese in water results in significant maintenance issues, loss of production and, potentially, system failure. DMI65® efficiently removes dissolved iron and manganese to concentrations as low as 0.001mg/L, well below regulatory MCLs.

Removal of arsenic

DMI65® is a manganese dioxide (MnO2) infused silica sand based granular media whose surface acts as an excellent oxidant and is effective at removing both arsenite and arsenate, as well as iron/arsenic complexes and precipitants to as low as 0.001mg/L.

Reduced costs

The total cost of DMI65® water filtration systems is significantly less than alternative solutions. This benefit is possible because the use of DMI65® provides advantages in treatment plant design, reducing capital expenditure and lowering operational expenditure on chemicals, power, and backwash wastewater recovery.

High flow rates

The infused technology of DMI65® promotes the highest oxidation rate of any catalytic water filtration media. This permits a significantly higher water flow rate to achieve the same level of iron and manganese removal. DMI65® can operate at linear filtration velocities up to twice that of conventional media, with a corresponding reduction in capital equipment costs.

High load capacity

DMI65® has a high iron and manganese load capacity, which can extend the duration of filter runs and the time between backwashing, thereby reducing downtime, operating expense, and wastewater.

Regeneration not required

DMI65® operates with a continuous injection of sodium hypochlorite at low residual levels between 0.1-0.3mg/L, eliminating the need for media regeneration (e.g. with potassium permanganate).

Wide operating environment

Stable and satisfactory performance at pH 5.8 to 8.6 and a maximum operating temperature of 113° F (45°C) reduces the need for investment to alter the operating environment.

Long life

DMI65® is not consumed in the catalytic process, giving it an expected operating life of over 15 years. The media does not decay when doing its catalytic work. Over its long working life, DMI65® can experience attrition through mechanical abrasion during backwashing. The incremental loss of media from this impact is in the 1-5% per annum range.

DMI65® certification

  • Tested and certified under industry standards: NSF/ANSI 61 by the Water Quality Association of USA Gold Seal Program covering safety and health effects for drinking water components.
  • Compliant – Drinking Water Inspectorate safe to use according to: Reg. 31(4)(a) of water supply (Water Quality) regulations 2010 for UK, England, and Wales.

White Papers

  • Toquepala Case Study

    The Toquepala mine is a large copper mine in the Tacna Province in Peru, on the border with Chile and Bolivia. The mine is situated far from nearby towns and cities and is operated by between 800-900 employees living on-site.

  • KLPP Hand Over Report

    In January of 2016 Mr Clive Hawkes of Quantum Filtration Medium along with long-time colleague and water treatment engineer Mr Andrew Mortlock conducted a series of site visits to assess the options for upgrading the water treatment plant supplying water to the Kuala Langat Power Plant (KLPP).

  • MMG Golden Grove

    The Golden Grove Mine site consists of 2 underground mines, Gossan Hill and Scuddles and a processing facility producing 140,000 tonnes of copper, zinc and precious metals in concentrate annually.

  • Chillagoe Arsenic Filtration Plant

    Mareeba Shire Council engaged Amiad Water Systems to design, construct and commission a 6-10 L/s Arsenic Filtration Plant for the township of Chillagoe in far North Queensland.

  • Pre-treatment for Boilers and Cooling Tower Water

    DMI-65® is an extremely powerful silica sand-based catalytic-action water filtration media that is designed for the removal of iron and manganese without the use of potassium permanganate through an advanced oxidation process.

  • DMI-65 Catalytic Filtration Media

    DMI-65 is an extremely powerful silica sand-based catalytic action water filtration media that is designed for the removal of iron and manganese without the use of potassium permanganate through an advanced oxidation process.

Press Releases

  • Funding Boost For Water Tech Innovators

    The Cook Government of Western Australia has welcomed the start of construction on Quantum Filtration Medium’s new Collie $5 million manufacturing plant, after investing $2 million to get the game-changing expansion project off the ground.

  • Small South West Business Becomes Global

    More than two decades ago, Clive Hawkes and Keizo Suzuki launched Quantum Filtration Medium in Bunbury, Western Australia. With the help of the South West Development Commission (SWDC), a lease on the Old Western Power Workshop in Bunbury Port was secured.

  • Ulan Coal Mine Uses the Right Filters

    A reverse osmosis (RO) plant and ultra-filtration (UF) pre-treatment system provided by Osmoflo currently treats water from East Pit, which is a large-capacity surface dam, at the Ulan Mine located near Mudgee in NSW, Australia.

  • Case Study: Golden Grove Mine

    MMG Golden Grove mine sites required a new reverse osmosis water treatment plant to replace its previously hired units to ensure sustainable, clean and safe potable water for its mine and its accommodation village.

Address
Perth Head Office
94/251 Adelaide Terrace
Perth
WA 6000
Australia

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Vasse Office & Warehouse

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Address
New Collie Manufacturing Facility 2 & Warehouse
12 Morrison Way
Collie WA 6225
(Corner of Morrison Way and Collins Street)
Australia

Address
Collie Manufacturing Facility 1 & Warehouse
292 Munglinup Road
Collie WA 6280
Australia

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